batman-adv: Remove unnecessary OOM logging messages

Removing unnecessary messages saves code and text.

Site specific OOM messages are duplications of a generic MM
out of memory message and aren't really useful, so just
delete them.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>

diff --cc net/batman-adv/hard-interface.c
Simple merge

diff --cc net/batman-adv/main.c
Simple merge

diff --cc net/batman-adv/originator.c
Simple merge

diff --cc net/batman-adv/soft-interface.c
Simple merge

diff --cc net/batman-adv/vis.c
Simple merge